skip self-loop edges when orthologizing

refs #53
OpenBEL · Jun 12, 2013 · f40fe16 · f40fe16
1 parent d0baeb3
commit f40fe16
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/org.openbel.framework.api/src/main/java/org/openbel/framework/api/DefaultOrthologize.java b/org.openbel.framework.api/src/main/java/org/openbel/framework/api/DefaultOrthologize.java
@@ -63,6 +63,11 @@ public Map<KamNode, KamNode> orthologousNodes(Kam kam, KAMStore kAMStore,
                 final KamNode edgeSource = e.getSourceNode();
                 final KamNode edgeTarget = e.getTargetNode();
 
+                // invalid; skip orthologous self edges
+                if (edgeSource == edgeTarget) {
+                    continue;
+                }
+
                 TermParameter speciesParam = findParameter(kam, kAMStore,
                         edgeSource, rlocs);
                 if (speciesParam != null) {